Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Diane Mastroianni, OT

Individual provider Occupational Therapist · NPI 1801322391

Diane Mastroianni, OT is an Occupational Therapist in Private Practice in Monson, Massachusetts. Qualified in 2011, 15 years ago. Practices with Mab Community Services Inc, a 12-clinician group and accepts Medicare assignment. Licensed in Massachusetts.

Years since qualifying
15
Licensed in
MA
In the registry since
2017
What do these letters mean?
OT — Occupational Therapist
Helps people regain the skills needed for daily living and work.

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Practice location Address checks out

434 Lowr Hampden RD
Monson, MA 01057-9739
Phone: (413) 267-5326
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Occupational Therapist (primary) Taxonomy 225X00000X · Licence 10458 (MA)

Record details

NPI number1801322391
Entity typeIndividual (Type 1)
GenderFemale
Credentials OT
Sole proprietorNo
NPI enumeratedMay 3, 2017
Last updated in NPPESMay 3, 2017

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyOCCUPATIONAL THERAPIST IN PRIVATE PRACTICE
Medical schoolOTHER
Graduated 2011 (15 years in practice)
Group practice Mab Community Services Inc — 12 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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